diff --git a/metrics-server/values.yaml b/metrics-server/values.yaml
index d393ba2..35913e5 100644
--- a/metrics-server/values.yaml
+++ b/metrics-server/values.yaml
@@ -224,7 +224,7 @@ tls:
     # Set the requested duration (i.e. lifetime) of the Certificate.
     # See https://cert-manager.io/docs/reference/api-docs/#cert-manager.io/v1.CertificateSpec
     duration: ""
-    # How long before the currently issued certificate’s expiry cert-manager should renew the certificate.
+    # How long before the currently issued certificate's expiry cert-manager should renew the certificate.
     # See https://cert-manager.io/docs/reference/api-docs/#cert-manager.io/v1.CertificateSpec
     renewBefore: ""
     # Add extra annotations to the Certificate resource